Sash-fastener.



No. 888,369. PATENTED MAY 19, 1908. A. VAN DUZER.

SASH FASTENER.

APPLICATION FILED JUNE 12.1907.

\KFE T Q A TTOR/VE VS ALBERT VAN DUZER, OF LOLETA, CALIFORNIA.

SASH-FASTENER.

Specification of Letters Patent.

Patented May 19, 1908.

Application filed June 12, 1907. Serial No. 378,585.

To all whom. it may concern:

Be it known that I, ALBERT VAN DUZER, a citizen of the United States, residing at Loleta, in the county of Humboldt and State of California, have invented a new and useful Sash-Fastener, of which the following is a specification.

This invention relates to sash fasteners and is more particularly designed for use upon lower window sashes.

The object of the invention is to provide a fastener which is normally held by gravity in looking position and which constitutes an efficient means for locking a sash in any position to which it may be moved, said fastener serving to hold the sash against both upward and downward movement.

A still further object is to provide a fastener which is very simple and inexpensive in construction, durable and efficient, and which can be quickly shifted into or out of operative position.

With these andother objects in view the invention consists of certain novel features of construction and combinations of parts which will be hereinafter more fully described and pointed out in the claims.

In the accompanying drawings is shown the preferred forms of the invention.

In said drawings: Figure 1 is a front elevation of a fastener in looking position, the same being shown by dotted lines unlocked. Fig. 2 is an edge view of the fastener detached. Fig. 3 is a view similar to Fig. 1 and showing a modified form of fastener. Fig. 4 is a detail view of a holding plate which may be used in connection with the fastener.

Referrin to the figures by characters of reference, A designates the window sash and B a bead strip for retaining the same in position within the window casing and a wear strip C of metal, hard wood or other suitable material is preferably secured upon the bead strip, although if preferred this wear strip can be dispensed with. Secured to the sash A adjacent one edge thereof is a threaded stem 1 having a large disk-like head 2 constituting a keeper disposed to lap the locking plate of the fastener. As shown in Fig. 1 this plate is formed in a single piece of metal and consists of oppositely disposed similar wedgeshaped portions 3 and 4, the contracted portions of which are placed innermost to form a connecting neck 5. The outer edges of both of these portions 3 and 4 are straight and in alinement as shown at 6 to form the working face of the plate and extending from this working face are teeth or projections 7 designed to engage the wear strip C, or if the wear strip is not employed, to engage the bead strip B.

An inwardly extending hook 8 is formed at the outer end of each of the inclined edges of the plate and pivotally mounted upon the sash A and above the plate is a hook 9 designed to engage the upper hook S and hold the plate with its neck 5 against the stem 1. I/Vhen the plate is in this position the teeth or projections 7 are out of contact with the wear strip C and it is possible to raise or lower the sash without hindrance. Should it be desired, however, to lock the sash against downward movement, the plate is shifted upward so that the wedge-shaped portion 4 will pass between the stem 1. and the wear strip C whereupon said stem will ride upon'the inclined face of the portion 4 and force the teeth or projections 7 againstthe wear strip and thereby lock the sash. To prevent it from being raised, this operation is reversed. The hook 9 is first removed from engagement with the upper hook S whereupon the wedge-shaped portion 3 will drop by gravity between the stem 1 and the wear strip C so as to cause its teeth or projections to engage said wear strip as shown in full lines in Fig. 1. It will be seen that a fastener such as herein described is very simple, durable and inexpensive in construc tion, constitutes an eflielent locking means, and can be quickly shifted into or out of looking position. The lock itself is formed in two parts, to wit, the bolt and the guiding stem and its retaining head 2 and therefore there are no parts which are likely to get displaced. It 1s of course apparent that the head 2 holds the plate at all times in proper position.

Instead of forming the plate as shown in Fig. 1 it can be made of a metal late 10 having communicating diagonally isposed slots 11 therein through which the stem 1 is designed to project. A recess is formed in one edge of the plate to produce a hook 12 designed to engage a supporting pin 13 extending from the sash whereby the plate is held out of contact with the wear stripC. When it is desired to lock the sash agalnst upward movement the plate is disengaged from the pin 13 and will immediately drop by gravity, the in per inclined slot 11 guiding the plate latera ly against the wear strip 0. By push ing upward on the plate the lower inclined cure the sash against downward movement.

Vith this form of fastener a stem with a re- 7 taining head 2 similar to that shown in Figs. 1 and 2 is utilized for the purpose of guiding and retaining the plate.

Instead of securing stem 1 into the sash as shown and described a plate 14 such as shown in Fig. 4 may be fastened within or upon the sash by means of screws or in any other preferred manner. This plate is provided with a threaded aperture 15 into which the stem may be screwed. providing a plate such as described the stem can be prevented from working loose when subjected to lateral pressure.

WVhile the fastener has been described as particularly designed for use upon lower window sashes it is to be understood that the stem can also be used u on upper sashes or upon windows having ut one sash. The

teeth or projections 7 may be arranged in a series extending throughout the length of the parts 3 and 4 instead of bein spaced apart as shown in Fig. 1. Also said teeth may be located so as to engage the window casing insteadof the bead strip B.

The fastener will be found efficient not Obviously by only for securing sashes against raising or lowering but also for preventing windows from rattling from any cause and when in any position within the casing.

That part of the fastener engaging the window casing or bead may be shaped so as to engage the stem at any desired angle and can be of any preferred length. Moreover, if desired the face contacting with the window casing or bead may be constructed without teeth.

What is claimed is:

In a sash fastener the combination with a guiding and retaining device; of a longitudinally movable gravity actuated locking plate bearing upon the guiding device and disposed to be shifted thereby during the longitudinal movement of the plate in either direction, a support engaging hook integral with and outstanding from the plate, and oscillatory supporting means in the pathof and disposed to be automatically engaged by the hook.

In testimony that I claim the foregoing as my own, I have hereto affixed my signature in the presence of two witnesses.

ALBERT VAN DUZER.

I/Vitnesses:

A. J. MoNRoE, IDA GRETA. 

